USG20(W)-VPN Series User’s Guide
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CHAPTER 22
SSL VPN
22.1 Overview
Use SSL VPN to allow users to use a web browser for secure remote user login. The remote users
do not need a VPN router or VPN client software.
22.1.1 What You Can Do in this Chapter
•Use the VPN > SSL VPN > Access Privilege screens (see Section 22.2 on page 369) to
configure SSL access policies.
• Use the Click VPN > SSL VPN > Global Setting screen (see Section 22.3 on page 373) to set
the IP address of the USG (or a gateway device) on your network for full tunnel mode access,
enter access messages or upload a custom logo to be displayed on the remote user screen.
•Use the VPN > SSL VPN > SecuExtender screen ( see Section 22.4 on page 375) to update
and check the current and latest version of the Security Extender.
22.1.2 What You Need to Know
Full Tunnel Mode
In full tunnel mode, a virtual connection is created for remote users with private IP addresses in the
same subnet as the local network. This allows them to access network resources in the same way
as if they were part of the internal network.
Figure 240 Network Access Mode: Full Tunnel Mode
SSL Access Policy
An SSL access policy allows the USG to perform the following tasks:
• limit user access to specific applications or file sharing server on the network.
• allow user access to specific networks.
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